(It's a gumshield with a bag attached, and you're trying to sell it.)
Did someone help you figure out what it is? that was brilliant.
(trying)to sell it? ..no..it's selling all the time, and if you need evidence that it works , how about we test it, I'll let you throw a straight right to my chin and then it's my turn to test it on you, we can even youtube it for the website.